From owner-freebsd-fs@FreeBSD.ORG Thu Aug 29 22:04:17 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 8ED6D925 for ; Thu, 29 Aug 2013 22:04:17 +0000 (UTC) (envelope-from ericbrowning@skaggscatholiccenter.org) Received: from mail-pd0-f178.google.com (mail-pd0-f178.google.com [209.85.192.178]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 6624C2DCC for ; Thu, 29 Aug 2013 22:04:17 +0000 (UTC) Received: by mail-pd0-f178.google.com with SMTP id w10so1017749pde.9 for ; Thu, 29 Aug 2013 15:04:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=odu1/mWVIMAeTXzwADvnEanr/GCWXyWHyw/UCm7ymq0=; b=AUdTnKVPrEHhTa9qus757PPb2ETiaEIrAZSCAaevPQg/qSDIcbmvus2fBTfxqqPP8m iB+IRoYjXTpMdmby/tW2UdZUKF0DDYuQu662dZmprsQOENHWT2icd1T+ZZylCp6kJZ/2 rph0D1WsVRKAv09x1jEwELkJDKvGytgnZnMNpab8CGo88Mw7uSr9t8stPGvXnTWdTMmJ Dnp4eohin9rj4wTltbZFPUfi7jT4cRYl4kOKsjG84x+HxCbJ1MWV2U6DqHqf1rNoviE4 zwId/FrUqFCK8GjOmrgEo+8FGYU7gSnykx/+e8aS0kNwaVQzkP56bwpqT8v8OhygCFdT uG3A== X-Gm-Message-State: ALoCoQnpFNFHfIMMV4ktTj06ffxtqvsEB5ojXyUc1CTAl2LJRH2U/EUo9ddx0gpHL6eSNUP86mo6 MIME-Version: 1.0 X-Received: by 10.66.121.131 with SMTP id lk3mr6929120pab.43.1377813352377; Thu, 29 Aug 2013 14:55:52 -0700 (PDT) Received: by 10.70.26.4 with HTTP; Thu, 29 Aug 2013 14:55:52 -0700 (PDT) In-Reply-To: <877gf4cj7o.wl%berend@pobox.com> References: <1079189088.15197172.1377784177805.JavaMail.root@uoguelph.ca> <877gf4cj7o.wl%berend@pobox.com> Date: Thu, 29 Aug 2013 15:55:52 -0600 Message-ID: Subject: Re: NFS on ZFS pure SSD pool From: Eric Browning To: Berend de Boer Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: FreeBSD FS X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2013 22:04:17 -0000 sysctl vfs.zfs.arc_meta_used yeilds: vfs.zfs.arc_meta_used: 6916698888 There is 56GB of RAM dedicated to ARC On Thu, Aug 29, 2013 at 2:53 PM, Berend de Boer wrote: > >>>>> "Freddie" == Freddie Cash writes: > > Freddie> This will show you how many bytes of the ARC are being > Freddie> used by metadata: sysctl vfs.zfs.arc_meta_used > > Freddie> You can tune what the max is via: sysctl > Freddie> vfs.zfs.arc_meta_limit > > Strangely enough on my system arc_meta_used = 2GB, while > arc_meta_limit = 1.5G. > > Wouldn't you expect that arc_meta_used would be lower than this limit? > > -- > All the best, > > Berend de Boer > > > ------------------------------------------------------ > Awesome Drupal hosting: https://www.xplainhosting.com/ > > -- Eric Browning Systems Administrator 801-984-7623 Skaggs Catholic Center Juan Diego Catholic High School Saint John the Baptist Middle Saint John the Baptist Elementary